title: Gene transfer by retroviral vectors: an overview.
mesh_terms: D000818:Animals; D018014:Gene Transfer Techniques; D005822:Genetic Vectors; D006801:Humans; D012190:Retroviridae / Q000235:genetics* / Q000502:physiology; D014158:Transcription, Genetic; D016662:Virus Integration; D014779:Virus Replication